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A comment on A ‘viral’ new bird song in Canada is causing sparrows to change their tune.
Watch the video at the bottom. It says:
> A hypothesis suggests that, female birds may habituate to the common songs over time, and that drives the male bird to adopt novel songs to maintain female's interest.
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Watch the video at the bottom. It says:
> A hypothesis suggests that, female birds may habituate to the common songs over time, and that drives the male bird to adopt novel songs to maintain female's interest.